Undo: implement undo of dive site notes editing

Simply copy the code of description editing.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

desktop-widgets/command.cpp

@@ -93,6 +93,11 @@ void editDiveSiteDescription(dive_site *ds, const QString &value)
 	execute(new EditDiveSiteDescription(ds, value));
 }
 
+void editDiveSiteNotes(dive_site *ds, const QString &value)
+{
+	execute(new EditDiveSiteNotes(ds, value));
+}
+
 void addDiveSite(const QString &name)
 {
 	execute(new AddDiveSite(name));

desktop-widgets/command.h

@@ -43,6 +43,7 @@ void mergeDives(const QVector <dive *> &dives);
 void deleteDiveSites(const QVector <dive_site *> &sites);
 void editDiveSiteName(dive_site *ds, const QString &value);
 void editDiveSiteDescription(dive_site *ds, const QString &value);
+void editDiveSiteNotes(dive_site *ds, const QString &value);
 void addDiveSite(const QString &name);
 
 } // namespace Command

desktop-widgets/command_divesite.cpp

@@ -159,4 +159,27 @@ void EditDiveSiteDescription::undo()
 	redo();
 }
 
+EditDiveSiteNotes::EditDiveSiteNotes(dive_site *dsIn, const QString &notes) : ds(dsIn),
+	value(notes)
+{
+	setText(tr("Edit dive site notes"));
+}
+
+bool EditDiveSiteNotes::workToBeDone()
+{
+	return value != QString(ds->notes);
+}
+
+void EditDiveSiteNotes::redo()
+{
+	swap(ds->notes, value);
+	emit diveListNotifier.diveSiteChanged(ds, LocationInformationModel::NOTES); // Inform frontend of changed dive site.
+}
+
+void EditDiveSiteNotes::undo()
+{
+	// Undo and redo do the same
+	redo();
+}
+
 } // namespace Command

desktop-widgets/command_divesite.h

@@ -67,6 +67,18 @@ private:
 	QString value; // Value to be set
 };
 
+class EditDiveSiteNotes : public Base {
+public:
+	EditDiveSiteNotes(dive_site *ds, const QString &notes);
+private:
+	bool workToBeDone() override;
+	void undo() override;
+	void redo() override;
+
+	dive_site *ds;
+	QString value; // Value to be set
+};
+
 } // namespace Command
 
 #endif // COMMAND_DIVESITE_H

desktop-widgets/locationinformation.cpp

@@ -136,6 +136,9 @@ void LocationInformationWidget::diveSiteChanged(struct dive_site *ds, int field)
 	case LocationInformationModel::DESCRIPTION:
 		ui.diveSiteDescription->setText(diveSite->description);
 		return;
+	case LocationInformationModel::NOTES:
+		ui.diveSiteNotes->setText(diveSite->notes);
+		return;
 	default:
 		return;
 	}
@@ -192,14 +195,6 @@ void LocationInformationWidget::acceptChanges()
 	// now update the diveSite
 	copy_taxonomy(&taxonomy, &diveSite->taxonomy);
 
-	uiString = copy_qstring(ui.diveSiteNotes->document()->toPlainText());
-	if (!same_string(uiString, diveSite->notes)) {
-		free(diveSite->notes);
-		diveSite->notes = uiString;
-	} else {
-		free(uiString);
-	}
-
 	if (!ui.diveSiteCoordinates->text().isEmpty())
 		parseGpsText(ui.diveSiteCoordinates->text(), diveSite->location);
 	mark_divelist_changed(true);
@@ -300,10 +295,10 @@ void LocationInformationWidget::on_diveSiteName_editingFinished()
 		Command::editDiveSiteName(diveSite, ui.diveSiteName->text());
 }
 
-void LocationInformationWidget::on_diveSiteNotes_textChanged()
+void LocationInformationWidget::on_diveSiteNotes_editingFinished()
 {
-	if (diveSite && !same_string(qPrintable(ui.diveSiteNotes->toPlainText()), diveSite->notes))
+	if (diveSite)
-		markChangedWidget(ui.diveSiteNotes);
+		Command::editDiveSiteNotes(diveSite, ui.diveSiteNotes->toPlainText());
 }
 
 void LocationInformationWidget::resetPallete()

desktop-widgets/locationinformation.h

@@ -33,7 +33,7 @@ public slots:
 	void on_diveSiteCoordinates_textChanged(const QString& text);
 	void on_diveSiteDescription_editingFinished();
 	void on_diveSiteName_editingFinished();
-	void on_diveSiteNotes_textChanged();
+	void on_diveSiteNotes_editingFinished();
 	void reverseGeocode();
 	void mergeSelectedDiveSites();
 private slots:

desktop-widgets/locationinformation.ui

@@ -55,7 +55,7 @@
     </widget>
    </item>
    <item row="7" column="2" rowspan="2" colspan="3">
-    <widget class="QPlainTextEdit" name="diveSiteNotes">
+    <widget class="TextEdit" name="diveSiteNotes">
      <property name="focusPolicy">
       <enum>Qt::ClickFocus</enum>
      </property>
@@ -179,6 +179,10 @@
    <header>desktop-widgets/kmessagewidget.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>TextEdit</class>
+   <header>desktop-widgets/textedit.h</header>
+  </customwidget>
  </customwidgets>
  <tabstops>
   <tabstop>diveSiteName</tabstop>